/Engine/Source/Runtime/Core/Public/Internationalization/BreakIterator.h
Create a new instance of a break iterator designed to locate appropriate soft-wrapping points within a string Note that these aren't newlines as such, but rather places where the line could be soft-wrapped when displaying the text
static [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IBreakIterator](API\Runtime\Core\Internationalization\IBreakIterator) > CreateLineBreakIterator()